A citizen called 911 around 8 a.m. to report a man's body in the bushes in the unit block of Bovet Road near the Borel Square Shopping Center, San Mateo police Capt. Kevin Raffaelli said.

Officers responded and pronounced the man, a Redwood City resident, dead at the scene. Raffaelli could not reveal the cause of death but said the death has been ruled a homicide.

"All indications are that it is a homicide," he said.

Authorities believe the man was killed between midnight and 1 a.m. Sunday, according to Raffaelli. No one is in custody for the murder.

Anyone who may have witnessed anything or who may have information about the homicide is asked to call San Mateo police at (650) 522-7650. Those wishing to remain anonymous may call the tip line at (650) 533-7676.